/contrib/groff/src/libs/libgroff/maxpathname.cpp
https://bitbucket.org/freebsd/freebsd-head/ · C++ · 71 lines · 39 code · 12 blank · 20 comment · 3 complexity · eb83b28c923085f08a7e272d36130f01 MD5 · raw file
- // -*- C++ -*-
- /* Copyright (C) 2005 Free Software Foundation, Inc.
- Written by Werner Lemberg (wl@gnu.org)
- This file is part of groff.
- groff is free software; you can redistribute it and/or modify it under
- the terms of the GNU General Public License as published by the Free
- Software Foundation; either version 2, or (at your option) any later
- version.
- groff is distributed in the hope that it will be useful, but WITHOUT ANY
- WARRANTY; without even the implied warranty of MERCHANTABILITY or
- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- for more details.
- You should have received a copy of the GNU General Public License along
- with groff; see the file COPYING. If not, write to the Free Software
- Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */
- /* path_name_max(dir) does the same as pathconf(dir, _PC_PATH_MAX) */
- #include "lib.h"
- #include <sys/types.h>
- #ifdef HAVE_UNISTD_H
- #include <unistd.h>
- #endif /* HAVE_UNISTD_H */
- #ifdef _POSIX_VERSION
- size_t path_name_max()
- {
- return pathconf("/", _PC_PATH_MAX) < 1 ? 1024 : pathconf("/",_PC_PATH_MAX);
- }
- #else /* not _POSIX_VERSION */
- #include <stdlib.h>
- #ifdef HAVE_DIRENT_H
- # include <dirent.h>
- #else /* not HAVE_DIRENT_H */
- # ifdef HAVE_SYS_DIR_H
- # include <sys/dir.h>
- # endif /* HAVE_SYS_DIR_H */
- #endif /* not HAVE_DIRENT_H */
- #ifndef PATH_MAX
- # ifdef MAXPATHLEN
- # define PATH_MAX MAXPATHLEN
- # else /* !MAXPATHLEN */
- # ifdef MAX_PATH
- # define PATH_MAX MAX_PATH
- # else /* !MAX_PATH */
- # ifdef _MAX_PATH
- # define PATH_MAX _MAX_PATH
- # else /* !_MAX_PATH */
- # define PATH_MAX 255
- # endif /* !_MAX_PATH */
- # endif /* !MAX_PATH */
- # endif /* !MAXPATHLEN */
- #endif /* !PATH_MAX */
- size_t path_name_max()
- {
- return PATH_MAX;
- }
- #endif /* not _POSIX_VERSION */